A look at technical specs for major smartphones

A BlackBerry Q10 smartphone is displayed in Toronto, Tuesday, April 23, 2013. In the Q10, the keyboard and touchscreen work together. On BlackBerrys, the keyboard has always been about more than filling in text fields, and the new operating system takes that further. (AP Photo/The Canadian Press, Graeme Roy)

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The BlackBerry Q10 and Samsung's Galaxy S4 are among the latest smartphones going on sale in the U.S. soon. Here are the technical details on those devices, along with other major ones out over the past several months.

BlackBerry Q10 tech specs:

— Manufacturer: Research In Motion Ltd.

— Display: 3.1-inch (diagonal) with a resolution of 720 by 720 pixels (330 pixels per inch)

— Keyboard: Touch screen and 35-key physical keyboards. Physical keyboard will have back light, with language-specific keyboards such as QWERTY and AZERTY depending on market.

— Battery life: talk time is 17 hours. Up to 69 hours of audio playback and 11 hours of video playback. Up to 8 hours of Internet use on 3G and 4G, 10 hours on Wi-Fi. Battery can be replaced by user with a spare.

— Video recording: high-definition (1080p — comparable to the resolution of a 40-inch flat panel TV) up to 30 frames per second with audio

— Battery life: talk time is up to 8 hours on 3G. Internet works for up to 8 hours on LTE and up to 10 hours on Wi-Fi. Up to 10 hours of video playback. Battery can be replaced by service personnel only.